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AMMIX_INN

IF_REF2

IFBUF_OUT_0

IF_IN1

IF_VREF1

AMNB_TC

MIX_OUTN

MIX_OUTP

IF_REF3

AMMIX_INP

IF_IN30

GND_IFPGA

VCC8.5_IF

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VTUNE

BUS_ENABLE

AF_SAMPLE

AF_HOLD

SCL

SDA

XTAL_BUF_OUTN

VCC8.5_VCO

VCO_COLL

VCO_BASE

GND_VCO

VCC5.0_PLL_

GND_PLL

VCC8.5_PLL

CP1_OUT

CP2_OUT

VCC8.5_RF

IF_IN180

IFBUF_OUT_1

64-PINHTQFP (PAP)

(TOP VIEW)

SN761631

RF FRONT END FOR AM/FM IF SAMPLING RADIO

SLES182 – OCTOBER 2006

•

Radio Frequency (RF) Automatic Gain

•

Programmable IF Tank Center-Frequency

Control (AGC) With Detection of RF and

Adjustment

Intermediate Frequency (IF) Signal

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FM Electrical Alignments for

•

Image Rejection Mixer

RF Preselection Stage

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IF-Programmable Gain Control

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Fast PLL for RDS System

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Two IF Programmable Gain Amplifiers (PGA)

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Electrical Frequency Adjustments for

With Separate Gain Control for Analog/

Crystal (Xtal) Oscillator

In Band On Channel (IBOC) Signal Reception

•

Crystal Oscillator Buffered Output for

Diversity Operation

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCT PREVIEW information concerns products in the

Copyright © 2006, Texas Instruments Incorporated

formative or design phase of development. Characteristic data and

other specifications are design goals. Texas Instruments reserves

the right to change or discontinue these products without notice.